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CVE-2026-126724

CVE-2026-126724EUVD-2026-123582

Exploited
No known exploitation
Fix
Fixed in 20260813_c2169ea5
Who is exposed
Not reported

Do first: Upgrade to a fixed version: 20260813_c2169ea5.

Published
Last modified
Reference
Last checked
0/100 · provisional
None on Exploit-DB, Metasploit or GitHub

Summary

The Rooxis RXR-12 Wi-Fi router contains a hidden administrator account with a default password shared by all units, so anyone who knows it can log in as root over SSH or the local console. Firmware version 20260813_c2169ea5 removes this account and turns off root password login over SSH, and the update can be applied through the router's local web interface.

Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.

Read the original description

Rooxis RXR-12 Wi-Fi router contains an undocumented UID-0 backdoor account (dg) with a firmware-wide default password (ivanlee) and interactive shell (/bin/ash), allowing authentication as root via SSH or local console without device-specific secrets. Firmware 20260813_c2169ea5 removes the account from the shipped root filesystem and disables root password authentication in SSH. Users can update their router can be through the local web interface.

cve.now Index

0Pcve.now Index 0 of 100 · methodology v3 · provisional
  • Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
  • Exposure?/25Unknown. No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity?/10Unknown. No CVSS score or vendor rating
  • No patch0/5No signal

What would change the score

  • Would score about 55 if added to CISA KEV
  • Would score about 50 if CISA's SSVC rates exploitation active
  • Would score about 22 if advisories confirm default setups are exposed

What to do

  • Upgrade to a fixed version: 20260813_c2169ea5.

Check your systems with an agent

Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.

Check whether my systems are affected by CVE-2026-126724 (CVE-2026-126724), using the cve.now data below.

Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only.

What cve.now has for CVE-2026-126724 (entry last updated 2026-11-11):
Affected:
- Rooxis Rooxis RXR-12: fixed in 20260813_c2169ea5
Fixed versions: 20260813_c2169ea5.
Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory.
CISA KEV: CVE-2026-126724 is not listed as of cve.now's last read.
This KEV status is for CVE-2026-126724 only. If you also check another CVE, look up its own KEV status; never assume it from this one.

How to check:
- Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory.

Verify against the linked advisories before concluding, and cite the date you read each one:
- https://rooxis.com/firmware/SOP-ramips-mt7621-DGR7-ROOXIS-local-debug.bin
- https://lab.geodesy.phd/writeups/rooxis-router/
Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing.

Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action.

Entry: https://cve.now/CVE-2026-126724
For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example execute with name cve.get and arguments {"id": "CVE-2026-126724"}.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • Rooxis Rooxis RXR-12

    fixed in 20260813_c2169ea5

Evidence 4

Vendor advisory · 1

Establishes: Affected and fixed versions.

  1. Link

CVE record · 2

Establishes: The identifier and description.

  1. Record
  2. Record

Other links · 1

  1. Link

Corrections

None so far.

Something wrong on this page? Report an error. Every fix is listed here.

Questions about CVE-2026-126724

Is CVE-2026-126724 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-126724?

Rooxis RXR-12: before 20260813_c2169ea5.Source: cve.now feed data

How do I fix CVE-2026-126724?

Upgrade to a fixed version: 20260813_c2169ea5.Source: cve.now feed data